Prince Harry and have opened up the doors to their mansion to those forced to.

But it seems the fast-spreading blazes could also threaten their Montecito home.

So far, the upmarket California enclave has not been affected by the fires, which are still some way from the town. However, with the flames spreading extremely quickly, it is believed are prepared to evacuate with their kids if the situation arises, with sources saying they are ready to go into "crisis mode".

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Their security team has been coordinating an evacuation plan while packing essentials for their children, Archie, five, and Lilibet, three. A neighbour said: "It's not chaos here yet but the fire is moving fast and we are not taking any chances." The couple and their neighbours have been given public safety survival kits containing a solar charger, flashlight, protective equipment, ice, water, snacks and safety pamphlets.

With the fires continuing to devastate and Montecito safe for now, it is understood have invited friends and loved ones who have been forced to evacuate due to the nearby fires to stay with them. The couple is also believed to have donated supplies to people affected by the blazes, including clothing, children's items, and other essential supplies.

The have killed 10 people, ravaged communities and sent thousands of people fleeing their properties, including in areas popular with celebrity homes.

Yesterday, for the first time with a statement on their website. They also recommended a list of fire service charities, animal groups and other initiatives to support. It said: "In the last few days, wildfires in southern California have raged through neighbourhoods and devastated families, homes, schools, medical care centres, and so much more – affecting tens of thousands from all walks of life."

The Sussexes added: "If a friend, loved one, or pet has to evacuate, and you are able to offer them a safe haven in your home, please do. Be sure to check in with any disabled or elderly neighbours to see if they need help evacuating. "Some families and people have been left with nothing. Please consider donating clothing, children's toys and other essentials. The American Red Cross is on the ground helping those in need."

Airbnb and 211LA, a non-profit organisation offering housing advice, have partnered to provide free temporary housing to people displaced, Harry and Meghan said. They added that long-time Archewell Foundation partner World Central Kitchen is serving meals to emergency service crews and victims. The list also included Cal Fire and LA Fire Department Foundation which are supporting firefighters, as well as the Animal Wellness Foundation which is housing evacuated animals.

Baby2baby is offering nappies, clothing and emergency kits to families, Compton Cowboys is providing emergency transport for horses and bookshop All Power Books is keeping its doors open to distribute aid and offer supplies and water for pick-up, the Sussexes said.

TV personality Paris Hilton, US actor Billy Crystal, The Princess Bride star Cary Elwes, talk show host Ricki Lake and Oscar-winning songwriter Diane Warren are among those who have confirmed that their residences have been destroyed in the fires.